| 2000-07-11 08 | 2001-05-23 11 | Datawell Mark 2 directional buoy | 30254 | NA-404 | 33 27.500' | 117 46.000' |
| 2001-05-23 12 | 2002-05-13 09 | Datawell Mark 1 directional buoy | 30257 | NA-369 | 33 27.506' | 117 46.003' |
| 2002-05-13 12 | 2003-05-28 07 | Datawell Mark 2 directional buoy | 30103 | B108C-37-03 | 33 27.506' | 117 46.003' |
| 2003-05-28 08 | 2003-09-16 11 | Datawell Mark 1 directional buoy | 30282 | B087C-37-02 | 33 27.506' | 117 46.003' |
| 2003-09-25 09 | 2003-10-10 07 | Datawell Mark 2 directional buoy | 30165 | B108C-37-03 | 33 27.506' | 117 46.003' |
| 2003-10-10 11 | 2005-01-06 08 | Datawell Mark 2 directional buoy | 30165 | B108C-37-03 | 33 27.506' | 117 46.003' |
| 2005-01-06 11 | 2006-08-31 09 | Datawell Mark 1 directional buoy | 30402 | B087C-37-02 | 33 27.510' | 117 46.050' |
| 2006-09-01 09 | 2008-05-05 07 | Datawell Mark 2 directional buoy | 30251 | B1820G-39-04 | 33 27.510' | 117 46.050' |
| 2008-05-08 11 | 2010-01-06 09 | Datawell Mark 2 directional buoy | 30253 | B1819G-39-04 | 33 27.512' | 117 46.032' |
| 2010-01-06 12 | 2010-11-16 09 | Datawell Mark 2 directional buoy | 30566 | B1775G-39-04 | 33 27.512' | 117 46.032' |
| 2010-11-16 14 | 2012-03-09 10 | Datawell Mark 3 directional buoy | 30506 | 43129 | 33 27.512' | 117 46.032' |
| 2012-03-09 12 | 2014-04-10 07 | Datawell Mark 3 directional buoy | 30507 | 43093 | 33 27.512' | 117 46.032' |
| 2014-04-10 11 | 2016-03-09 10 | Datawell Mark 3 directional buoy | 30313 | 43129 | 33 27.489' | 117 46.023' |
